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Delta Chat

@delta.chat

1 Following171 Followers

Secure decentralized messaging across all major platforms. Instant and reliable via fast chatmail relays, compatible with classic email providers. Features secure mini […]

🌉 bridged from ⁂ https://chaos.social/@delta, follow @ap.brid.gy to interact

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@delta.chatMar 31, 2026, 8:25 PM Pinned

After three intense months of work from more than a dozen contributors, #deltachat 2.48 releases are rolling. Maybe the most feature-packed releases ever?

- "zero metadata" messaging

- native Audio/Video calls on Android and iOS, as well as UbuntuTouch

- Group and Channel descriptions

- A […]

chaos.socialOriginal post on chaos.social
4
@delta.chatOct 6, 2026, 8:38 PM

#deltachat is made to be a reliable and resilient messenger for private groups, friends and family.

If you want to use it for joining or creating "public groups", please do yourself a favor, and create a dedicated "public profile" by tapping "create profile" and then use it to join public […]

@delta.chatSep 22, 2026, 7:45 AM

Who ever is in the vicinity of Hannover in lower sachsony this coming Friday, is invited to consider joining one of our long-term contributors for an afternoon session on "the new and old internet" in the Auditorium at https://liminale.digital/
Likely in german […]

[Original post on chaos.social]

from the web page, the info that the event is 12:00 till 19:00 on Friday 25.9.2026 at the Campus Linden at Hcohschule Hannover
@delta.chatSep 20, 2026, 3:48 PM

@stavpup Delta Chat enforces end-to-end encryption by default, and it's deep down the advanced relay settings to disable it. If you want to use classic unencrypted email with people it's usually better to use a classic email app. However, you can use Delta Chat with classic email addresses for […]

@delta.chatSep 14, 2026, 2:26 PM

#deltachat is now evolving for 9 years. Among the currently active 15-20 contributors a majority joined 5+ years ago, with some joining in the very first year and a few only joining last year.

Patience and perseverance is underrated when it comes to producing something that challenges the […]

@delta.chatSep 12, 2026, 6:47 PM

Happy birthday to the CCC 🎉 45 year birthday 🎉 We are happy and grateful to be part of the chaos crowd and especially thank all the volunteers and organizers who made and make everything possible over the decades, truly outstanding and a beacon of rare normality […]

[Original post on chaos.social]

The delta cat, kasia, on a sticker pointing to https://delta.chat
@delta.chatAug 18, 2026, 7:32 PM

We're flattered! @digitalcourage, one of the oldest digital rights organizations in Germany, just recommended using #deltachat

They included a fantastic, well-structured article in German on how to get started, with lots of good background info for those who seek it […]

chaos.socialOriginal post on chaos.social
@delta.chatJun 22, 2026, 12:53 PM

next #deltachat #ios version is coming with #liquidglass 🥛 thanks Amzd for the work. though frustrating being forced by #bigtech to do things that may not be loved and feel superfluous, it's wanted by many meanwhile.

there are still some things to tweak, we […]

[Original post on chaos.social]

2
@delta.chatJun 17, 2026, 9:27 AM

@adhisimon @[email protected] @[email protected] You can disable calls in the notification settings :) and while there is no way to enforce relaying, the ecosystem for it is in place - chatmail relays ship a TURN server for relaying calls, and there is a central fallback TURN server for […]

chaos.socialOriginal post on chaos.social
1
@delta.chatJun 17, 2026, 8:44 AM

Congratulations and shot out to our long-term collaborators from the @n0iroh project for releasing Iroh V1!

A major ugprade of the probably best Peer-to-Peer Rust networking library today:

https://www.iroh.computer/blog/v1

In case you missed it: When running apps like […]

chaos.socialOriginal post on chaos.social
@delta.chatJun 16, 2026, 7:29 PM

Telegram is an extreme security risk for its users, its developers and operators, holding data and metadata for over a billion people on central servers! Our decentralized zero-metadata messaging approach is diametrically opposed to such big-platform designs […]

chaos.socialOriginal post on chaos.social
1
@delta.chatJun 15, 2026, 5:01 PM

RE: https://mastodon.bsd.cafe/@stefano/116702145454686241

The world-wide #chatmail relay network is growing in various wonderful ways. #freebsd joined the world-wide federated secure communication party and BSD cafe offers a public relay at https://chatamil.bsd.cafe :) Thanks @stefano @feld and […]

BStefano Marinelli@bsd.cafeJun 6, 2026, 8:10 AM

Dear friends of the BSD Cafe, One of the principles this place was built on has always been free communication. Whether on the Fediverse or on Matrix, the goal is the same: open, secure, private, decentralized tools. Because we know, from experience, that anything centralized will sooner or […]

mastodon.bsd.cafeOriginal post on mastodon.bsd.cafe
chaos.socialOriginal post on chaos.social
1
@delta.chatMay 26, 2026, 9:31 PMReposted by @delta.chat

Reminder: There are no accounts in the classic sense anywhere with #chatmail or #deltachat.

It's all private profiles on end user devices which co-ordinate in a #p2p fashion. Chat profiles *use* email (relay) addresses for transporting messages through a […]

[Original post on chaos.social]

Neo-spoon meme (scene from matrix movie where neo looks at a child bending a spoon which eventually tells him "there is no spoon") with the following words top: "On which server is your account?" and below the bending spoon "there is no account."
@delta.chatJun 14, 2026, 12:20 AM

@Razemix 1) yes 2) you can create a new profile with non-chatmail address and add chatmail relays later; if you really want, you can add non-chatmail addresses to existing profile via "dclogin:" QR code (https://webxdc.org/#dc09-dclogin) but this option is not exposed in the UI.

@delta.chatJun 13, 2026, 3:29 PM

It's hard these days to find a unifying description, or know about all the people and communities involved in #deltachat #chatmail #webxdc developments. One shared sentiment probably is wanting to develop anti-authoritarian technologies and cultures around it, and being opposed to authoritarian […]

chaos.socialOriginal post on chaos.social
@delta.chatJun 11, 2026, 1:07 PM

A note on "#deltachat is going proprietary with #chatmail relays":

1) It's all based on IETF standards, with configuration and custom integration code fully FOSS and documented at: https://chatmail.at/doc/relay/ with hundreds of permission-free deployments.

2) We know of several alternative […]

chaos.socialOriginal post on chaos.social
3
@delta.chatJun 11, 2026, 11:04 AM

What do you think is unique about the #deltachat project in the realm of secure cross-platform messaging?

You tell us :)

@delta.chatJun 9, 2026, 10:57 AM

here are the full release notes: https://github.com/deltachat/deltachat-android/releases/tag/v2.51.0 -- also a lot of bug fixes option cleanup, as we are continuing to make settings fail-safe and easy to understand for mass users, sometimes to the detriment of more nerdy configurations. However […]

chaos.socialOriginal post on chaos.social
@delta.chatJun 9, 2026, 10:50 AM

2.51+ releases are rolling into stores: Video/Audio Calls and Channels are not experimental but part of the default feature set now 💫

Calls and channels are always end-to-end encrypted, and only you and your contacts know each other's identity and metadata […]

[Original post on chaos.social]

smartphone screenshot of a live video call with a contact named "My Cat." The main screen shows the user's view of a room with a "delta.chat" banner and the blurred silhouette of a cat's head in the foreground. A smaller picture-in-picture window in the top-right corner shows the other side of the call, where a black-and-white cat is sitting upright and looking at the camera. The bottom of the screen features a standard row of video call control buttons.
2
@delta.chatJun 8, 2026, 8:06 PM

@makeithappen5634 people are running thousand(s) of users on 1GB RAM chatmail relays. Ram and CPU usage is generally pretty low.

@delta.chatMay 26, 2026, 9:31 PM

Reminder: There are no accounts in the classic sense anywhere with #chatmail or #deltachat.

It's all private profiles on end user devices which co-ordinate in a #p2p fashion. Chat profiles *use* email (relay) addresses for transporting messages through a […]

[Original post on chaos.social]

Neo-spoon meme (scene from matrix movie where neo looks at a child bending a spoon which eventually tells him "there is no spoon") with the following words top: "On which server is your account?" and below the bending spoon "there is no account."
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